Double socket tool



FIG. 1 is a perspective view of a double socket tool showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof; and,

FIG. 4 is a left side elevation view thereof; the right side view being a mirror image of that shown. 

I claim the ornamental design for a double socket tool, as shown and described. 